Home Forums Hunting & Shooting Alaska .270 gr TSX vs. 300 gr. TSX

Phil, just curious, what makes the 270 gr TSX more favorable than the 300 gr TSX?

Other than maybe having a little more experience with large bears I am no different than most of the others on this forum. I have used and seen used the 270 TSX on big bears more than any other brand and know how well it works.

I'm not Phil, but I cast my vote for the 270 so I'll say why. The penetration from both bullets will be extreme. Expansion in the TSX generally improves with increased velocity. Therefore, you'll get greater (and more consistent) expansion with the lighter slug, while finding similar penetration between them. That's why I'd choose the lighter of the two bullets in question........

How would the 250gr TTSX fit in the equation?

Bears, especially unwounded ones, are usually susceptible to shock from higher velocity. So as long as penetration is sufficient a little extra velocity certainly doesn't hurt.

My brown bear experience is scant. I don't get to do expensive hunts like that every year.

I stuck a 270 gr Nosler Partition from a 375 H&H through the lungs of my first one. There was a blood trail you could follow by feel,and a substantial exit. I'd expect a Barnes 270 to do the same.

But a bigger one was hit with the 250 gr BBC at over 2900 fps.Of three shots,two exited, one through shoulders,another through lungs that blew a pie sized gout of bear clockwork onto a peeled log behind him,and an exit that would impress anyone.I sure would not hesitate to use a 250 gr TTSX from a 375 H&H.

Have only seen one killed with a 180 Partition from a 300 Weatherby but he was dead very quickly.

I think there are "better" bullets than a Nosler Partition today but the animals have not changed much and I have killed so many with the Partition that I'm not ready to scrap them yet.

In the pre Barnes TSX days of Alaska, it seems the famous bear guides I've read about liked the lighter weight bullets.

Pinell and Talifson were fans of the Remington Corelokt 270 gr in .375 H&H.

Runyon liked the 270 weight in the various .375's that he used. He moved on to various .40 wildcats using the old Barnes lead and copper "thin jacket" ( .32 ?).
I believe he also used a .350 Remington Mag as a loaner and used the 200 gr. Remington factory ammo.

Using the 270 Barnes TSX we have today would be win, win I think.

I've always wanted to try the 270gr Nosler Partition of days gone by. Read several times on innernet that they were the best.

Dave that is what I read about Runyon,too...he liked 40 caliber and dramatic bullet upset.


WBill...my 270 screw machine NPT's are all gone.



I think!

I'm sure the 260 gr Partition will be an excellent replacement for the old 270 gr PT.

As for the Barnes the 250 gr TTSX seems to be getting a really good reputation as a top 375 cal bullet.

gerrygoat I think you are right on both counts.

No personal Experience here, but I research a lot on the 375 and up calibers. Everything I've been told and read has pointed to the 270gn tsx as being a great bear bullet. Generally with TSX, you can drop down in weight a little and still get just as good of penetration. The 300 should work fine, but if the 270 isn't lacking at all, why not use it and match a 30-06 trajectory better encase of longer shots. I'm sure the 270 would hold up fine for close shots too. the TSX is a tough bullet.

Did I mention, in every 375 caliber I've owned, the 270 TSX has been the most accurate bullet every time. I've shot it into logs, mud, hard dirt, soft dirt, pure water, and deer. They always hold together and at most I've only ever seen one loose a petal when shot into dirt mixed with lots of rocks. I personally would hunt everything in the world with a 270 TSX out of a 375 except maybe, elephant, rhino, or hippo.

Oddly enough the 270 gr TSX was one bullet that wouldn't shoot well out of the 375 Ruger I had, it loved both weights of Accubonds and the 235 gr Speer.